CN111991050A - Artery opening and closing hemostatic device - Google Patents
Artery opening and closing hemostatic device Download PDFInfo
- Publication number
- CN111991050A CN111991050A CN202010698944.6A CN202010698944A CN111991050A CN 111991050 A CN111991050 A CN 111991050A CN 202010698944 A CN202010698944 A CN 202010698944A CN 111991050 A CN111991050 A CN 111991050A
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- hemostatic
- recess
- pressing block
- auxiliary
- pressing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
Abstract
The invention relates to an artery opening and closing hemostasis device, which comprises a spring, an upper pressing block and a lower pressing block of a vascular clamp, wherein the upper pressing block and the lower pressing block are respectively provided with a clamping groove; the clamping surface of the upper pressing block is provided with a recess which transversely penetrates to the side surface of the upper pressing block, and the top of the recess is provided with a hemostatic pressing sheet which is used for clinging to the lower pressing block during clamping; one end of the spring is fixed in the recess, and the other end of the spring is fixed with the hemostatic pressing sheet; a drawing mechanism for drawing the hemostatic pressing sheet back into the recess is further arranged in the recess, one side of the drawing mechanism is fixed at the bottom of the recess, and the other side of the drawing mechanism is connected with the hemostatic pressing sheet; the hemostatic pressing sheet is also provided with auxiliary pressing sheets at two sides of the width direction of the clamped blood vessel, and the auxiliary pressing sheets are also arranged at the tops of the recesses; and a secondary drawing mechanism for drawing the secondary pressing sheet back into the cavity is also arranged in the cavity. The invention has the advantages that the open-close state can be adjusted through the clamping part when the blood vessel is clamped to stop bleeding, and the ischemia of downstream organs is avoided.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a hemostatic device.
Background
Along with the popularization of vehicles, the incidence rate of car accidents is increasing, and the occurrence rate of the car accidents is large bleeding caused by the car accidents, particularly the large bleeding of inner cavities. If no immediate action is taken, the patient will quickly go into shock, endangering life. Meanwhile, in a battlefield, massive hemorrhage shock and paroxysmal death caused by war injury account for most of the fighting depreciated personnel.
In order to solve these problems, the best measure is to perform the operation immediately and search for bleeding parts for hemostasis, but the operation needs a professional operating room, so that the time for performing the operation is very critical. The first time rapid hemostasis is generally achieved by finding and closing the thoraco-abdominal aorta, but if the thoraco-abdominal aorta is closed for a longer time, ischemic necrosis of the post-arterial organs will result.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and solve the problems that the downstream artery is ischemic due to long-time clamping because the pressure of a vascular clamp after clamping the artery cannot be adjusted.
In order to achieve the aim, the invention provides an artery opening and closing hemostatic device, which comprises a spring, an upper pressing block and a lower pressing block of a vascular clamp; the clamping surface of the upper pressing block is provided with a recess which transversely penetrates to the side surface of the upper pressing block, and the top of the recess is provided with a hemostatic pressing sheet which is used for clinging to the lower pressing block during clamping; one end of the spring is fixed in the recess, and the other end of the spring is fixed with the hemostatic pressing sheet; a drawing mechanism for drawing the hemostatic pressing sheet back into the recess is further arranged in the recess, one side of the drawing mechanism is fixed at the bottom of the recess, and the other side of the drawing mechanism is connected with the hemostatic pressing sheet; the hemostatic pressing sheet is also provided with auxiliary pressing sheets at two sides of the width direction of the clamped blood vessel, and the auxiliary pressing sheets are also arranged at the tops of the recesses; and an auxiliary pulling mechanism for pulling the auxiliary pressing sheet back into the recess is further arranged in the recess, one side of the auxiliary pulling mechanism is fixed at the bottom of the recess, and the other side of the auxiliary pulling mechanism is connected with the auxiliary pressing sheet.
The hemostatic pressing sheet is used for being matched with the lower pressing block to clamp the blood vessel between the hemostatic pressing sheet and the lower pressing block, and the spring in the recess ejects the hemostatic pressing sheet outwards at the moment so as to press and stick the hemostatic pressing sheet to the lower pressing block. When the hemostatic device is in an opening state, namely when the hemostatic device is not used, the spring is in an extension state, and the hemostatic pressing sheet is slightly higher than the edge opening of the recess under the pushing action of the spring; after the hemostatic device is clamped, the spring is in a compressed state, and the hemostatic pressing sheet is pushed down by the lower pressing block to return to the position of the edge of the recess. The traction mechanism can be in the form of a telescopic rod with a control mechanism, an air cylinder with a control mechanism, a traction rope matched with a winding machine and the like.
An auxiliary traction mechanism similar to the traction mechanism is also arranged below the auxiliary pressing sheet, so that the opening and closing of the blood vessel can not cause the slippage of the hemostatic device when the blood vessel is clamped; meanwhile, if the position is not clamped well, the opening and closing of the hemostatic pressing sheet can adjust the auxiliary pressing sheet when the influence on blood flow is small.
Preferably, one side of the traction mechanism fixed at the bottom of the recess is provided with a motor, and one end of the traction rope is wound on a rotating shaft of the motor; the side of the hemostatic pressing sheet facing the recess is provided with a fixing point at the other end of the pull rope.
The rotating shaft of the motor is an output end of the motor, the rotating shaft of the motor can rotate forward and backward under control, and the output shaft winds the pulling rope forward and backward to achieve retraction and release of the pulling rope.
Preferably, the upper pressing block and the lower pressing block are semi-elliptical and are integrally elliptical after being clamped; the concave hole extends along the minor axis of the ellipsoid on the clamping surface and penetrates to the side surface of the upper pressing block; the connecting points of the upper pressing block and the lower pressing block are positioned at two ends of the long axis of the ellipsoid.
When the clamping device is used, the minor axis direction of the ellipsoid is the extending direction of the clamped blood vessel.
Preferably, the ellipsoid has a major diameter of 4cm to 7 cm.
Preferably, the hemostatic pressing sheet is further provided with auxiliary pressing sheets at two sides of the width direction of the clamped blood vessel, the auxiliary pressing sheets are also arranged at the top of the concave cavity, the auxiliary pressing sheets face to the side face of the concave cavity to fix one end of an auxiliary spring, and the other end of the auxiliary spring is fixed in the concave cavity.
Similar to the hemostatic press sheet, the secondary press sheet referred to herein is used to cooperate with the lower press block to clamp the edge of the blood vessel between the secondary press sheet and the lower press block, i.e., the secondary spring in the pocket pushes the secondary press sheet outward to press the secondary press sheet against the lower press block. When the hemostatic device is in an opening state, the auxiliary spring is in an extending state, and the auxiliary pressing sheet is slightly higher than the edge of the recess under the pushing action of the auxiliary spring; after the hemostatic device is clamped, the auxiliary spring is in a compressed state, and the auxiliary pressing piece is pushed down by the lower pressing piece to return to the edge position of the recess.
Preferably, the hemostatic press tab is hinged to an adjacent secondary press tab.
Preferably, the hemostasis pressing sheet, the auxiliary pressing sheet and the lower pressing block are provided with insections which are matched with each other on opposite side surfaces.
The insection on the hemostatic pressing sheet and the auxiliary pressing sheet is generally in a continuous shape, when the hemostatic device is clamped, the insection on the hemostatic pressing sheet can be aligned with the insection of the lower pressing block, and similarly, the insection at the corresponding position of the auxiliary pressing sheet and the lower pressing block can also be aligned.
Preferably, a blood oxygen sensor and a blood pressure sensor are arranged in the lower pressing block, and a probe of the blood oxygen sensor and the blood pressure sensor penetrates out of the clamping surface of the lower pressing block.
The blood oxygen and blood pressure sensor referred to herein may be in the form of a physical sign monitoring sensor, which is conventional in the art, and may specifically be in the form of a photoelectric sensor or a combination with other sensors. Since the relevant sensors are commercially available and are disclosed more, the models are not listed here, and those skilled in the art can clearly select the appropriate sensors according to the scheme guidance. The result monitored by the sensor can be directly displayed by a display screen matched with the sensor or transmitted to other controllers by wireless transmission for further processing. And the term "from the clamping surface of the lower pressing block" as used herein means that the detecting head of the sensor penetrates out of the lower pressing block towards one side surface of the upper pressing block so as to expose the detecting head of the sensor to the surface of the blood vessel.
Preferably, one side of the upper pressing block and one side of the lower pressing block are connected through a hinge, and the other side of the upper pressing block and the other side of the lower pressing block are fixed through a buckle.
Preferably, the upper pressing block and the lower pressing block are respectively provided with a groove which is convenient for a tool to pick up at opposite positions.
Through the action of the spring, the top pressure of the hemostatic pressing sheet on the blood vessel during clamping can be ensured, and the blood vessel is not damaged due to too tight combination with the lower pressing block; after the traction mechanism is arranged in a matched manner, the hemostatic pressing sheet can be pulled under control so as to realize the adjustment of the blood vessel clamping pressure. The recess transversely passes to the side of briquetting for the space on the recess can realize the complete accommodation to the blood vessel, avoids the damage of centre gripping face to the blood vessel.
The traction mechanism is formed by matching the motor and the traction rope, so that the hemostatic pressing sheet can be conveniently pulled and released as required; and the control signal and the power transmission of the motor can also be transmitted wirelessly in the prior art, so that the space of the upper pressing block is saved, and the overlarge size of the upper pressing block is avoided.
By providing an ellipsoidal shape, the influence of the corners of the shape on adjacent organs is avoided.
The normal thoraco-abdominal aorta can be accommodated and clamped by arranging the reasonable (4cm to 7cm) ellipsoid major diameter; if the clamping is not successful, the doctor is prompted that the lesion needs additional treatment.
The auxiliary pressing sheet can ensure the jacking pressure on the blood vessel during clamping and is matched with the hemostatic pressing sheet to press the edge of the blood vessel; when the hemostatic pressing sheet is pulled and retracted, the hemostatic pressing sheet can adapt to the deformation of the blood vessel to realize slight inclination, so that the complete appearance of the blood vessel is protected.
Through articulating vice preforming for also can carry out the tractive of certain degree to vice preforming when hemostasis preforming is retrieved by the tractive, promote the angle when vice preforming is by the tractive.
When the hemostatic device is closed, the insections realize natural anastomosis, namely, the friction force on the blood vessel contact surface is improved.
The blood oxygen sensor and the blood pressure sensor can directly realize the index observation of the blood vessel, and the result is more reliable than the in vitro observation. Meanwhile, if necessary, the action of the traction mechanism can be guided through the obtained index value.
Through the cooperation of hinge and buckle for hemostatic device can conveniently realize the clamping, if set up the insection to the face of closing simultaneously, also can make things convenient for the mutual interlock of insection, avoids the insection to the damage that the summit caused the vascular wall.
The arranged groove can be embedded by hands or the end of a clamping tool, so that the hemostatic device is convenient to deploy in a human body.
The invention has the advantages that the open-close state can be adjusted through the clamping part when the blood vessel is clamped for hemostasis, and the ischemia of downstream organs is avoided.
Drawings
FIG. 1 is a generally cut-away view of an arterial open-close hemostatic device of the present invention;
wherein:
1-upper press block 2-lower press block 21-blood oxygen and blood pressure sensor
11-hemostatic press sheet 12-spring 13-motor
14-pulling rope 15-auxiliary pressure sheet 16-auxiliary spring
3-groove 4-snap 5-pocket
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
An artery opening and closing hemostasis device shown in figure 1 comprises a spring 12, an upper pressing block 1 and a lower pressing block 2 which form a blood vessel clamping block pair; a concave 5 is arranged on the clamping surface of the upper pressing block 1, the concave 5 transversely penetrates to the side surface of the upper pressing block 1, and a hemostatic pressing sheet 11 for clinging to the lower pressing block 2 during clamping is arranged at the top of the concave 5; one end of the spring 12 is fixed in the recess 5, and the other end is fixed with the hemostatic pressing sheet 11; a pulling mechanism for pulling the hemostatic pressing sheet 11 back into the recess 5 is further arranged in the recess 5, one side of the pulling mechanism is fixed at the bottom of the recess 5, and the other side of the pulling mechanism is connected with the hemostatic pressing sheet 11. One side of the traction mechanism fixed at the bottom of the recess 5 is provided with a motor 13, and one end of a traction rope 14 is wound on a rotating shaft of the motor 13; the side of the hemostatic pressing sheet 11 facing the recess 5 is provided with a fixing point of the other end of the pull rope 14.
The upper pressing block 1 and the lower pressing block 2 are both in a semi-elliptical shape and are integrally elliptical after being clamped; the concave 5 extends along the minor axis of the ellipsoid on the clamping surface and penetrates to the side surface of the upper pressing block 1; the connecting points of the upper pressing block 1 and the lower pressing block 2 are positioned at two ends of the long axis of the ellipsoid. One side of the upper pressing block 1 is connected with one side of the lower pressing block 2 through a hinge, and the other side of the upper pressing block is fixed through a buckle 4. The major diameter of the ellipsoid is 4cm to 7 cm. The upper pressing block 1 and the lower pressing block 2 are respectively provided with a groove 3 which is convenient for a tool to pick up at the back of each other.
The two sides of the width direction of the clamped blood vessel of the hemostatic pressing sheet 11 are also provided with auxiliary pressing sheets 15; and an auxiliary pulling mechanism for pulling the auxiliary pressing sheet 15 back into the cavity is further arranged in the cavity 2, one side of the auxiliary pulling mechanism is fixed at the bottom of the cavity 2, and the other side of the auxiliary pulling mechanism is connected with the auxiliary pressing sheet 15. The secondary pressure plate 15 is also arranged on the top of the cavity 5, one end of a secondary spring 16 is fixed on the side surface of the cavity 5 facing the secondary pressure plate 15, and the other end of the secondary spring 16 is fixed in the cavity 5. The hemostatic pressing sheet 11 is hinged with the adjacent auxiliary pressing sheet 15. The auxiliary pressing sheets 15 are two pieces and are respectively arranged at the positions of the hemostatic pressing sheets 11 close to the two ends of the long axis of the ellipsoid; the two auxiliary springs 16 under each auxiliary pressing plate 15 are respectively arranged at the position of the auxiliary pressing plate 15 close to the end point of the long axis of the ellipsoid and the position of the hinge point of the hemostatic pressing plate.
The hemostatic pressing sheet 11, the auxiliary pressing sheet 15 and the lower pressing block 2 are provided with insections which are matched with each other on opposite side surfaces.
A blood oxygen and blood pressure sensor 21 is arranged in the lower pressing block 2, and a probe of the blood oxygen and blood pressure sensor 21 penetrates out of the clamping surface of the lower pressing block 2.
More specifically, the artery opening and closing hemostasis device comprises an upper semi-elliptical structure and a lower semi-elliptical structure (namely an upper pressing block 1 and a lower pressing block 2), comprises a hemostasis pressing sheet 11 and two auxiliary pressing sheets 15, wherein the hemostasis pressing sheet 11 and the auxiliary pressing sheets 15 are both made of titanium alloy, each sheet is about 1.5cm in length, the surface of each sheet is provided with insection, and a left spring and a right spring (namely a spring 12 and an auxiliary spring 16) are respectively arranged below each hemostasis pressing sheet 11 and each auxiliary pressing sheet 15. The spring is in an extension state when the hemostatic device is in an opening state, and is in a compression state after being clamped and closed; a motor 13 and a steel wire traction rope 14 are arranged below the hemostatic pressing sheet 11, so that the motor 13 can pull the hemostatic pressing sheet 11 to achieve the function of opening and closing blood vessels; a blood oxygen and blood pressure sensor 21 is also arranged and is positioned in a semi-elliptical structure (namely the lower pressing block 2) at one side, and the probe is positioned on the blood vessel contact surface of the lower pressing block 2. In cooperation, a control system can be arranged, signals of the blood oxygen sensor and the blood pressure sensor 21 can be received through a remote palm monitoring end or a desk type or notebook type monitoring end, and power and signal transmission structures such as a battery, a Wifi signal transmitter and a 5G signal transmitter can be filled in the lower pressing block 2. The backs of the upper pressing block 1 and the lower pressing block 2 are provided with grooves, so that the surgical instrument can be conveniently clamped and placed on a target abdominal aorta trunk; the closing structure of the artery opening and closing hemostasis device is of a bayonet type.
The practical operation method takes an abdominal bleeding operation as an example:
firstly, finding a bleeding point after opening, finding the position of the nearest abdominal aorta trunk, putting the abdominal aorta between an upper pressing block 1 and a lower pressing block 2 by using a laparoscope or other surgical instruments, and clamping the aorta; the change of blood oxygen and blood pressure is observed, under normal conditions, the traction mechanism is set to be pulled once every 10 minutes, and the traction mechanism can be adjusted according to the blood oxygen and the blood pressure so as to adjust the integral closing degree and strive for time for finding a bleeding point or sending the blood after a battlefield.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions, all of which are within the scope of the invention as defined by the appended claims.
Claims (10)
1. An artery opening and closing hemostasis device is characterized by comprising a spring, an upper pressing block and a lower pressing block of a vascular clamp; the clamping surface of the upper pressing block is provided with a recess which transversely penetrates to the side surface of the upper pressing block, and the top of the recess is provided with a hemostatic pressing sheet which is used for clinging to the lower pressing block during clamping; one end of the spring is fixed in the recess, and the other end of the spring is fixed with the hemostatic pressing sheet; a drawing mechanism for drawing the hemostatic pressing sheet back into the recess is further arranged in the recess, one side of the drawing mechanism is fixed at the bottom of the recess, and the other side of the drawing mechanism is connected with the hemostatic pressing sheet; the hemostatic pressing sheet is also provided with auxiliary pressing sheets at two sides of the width direction of the clamped blood vessel, and the auxiliary pressing sheets are also arranged at the tops of the recesses; and an auxiliary pulling mechanism for pulling the auxiliary pressing sheet back into the recess is further arranged in the recess, one side of the auxiliary pulling mechanism is fixed at the bottom of the recess, and the other side of the auxiliary pulling mechanism is connected with the auxiliary pressing sheet.
2. The arteriotomy hemostasis device according to claim 1, wherein the side of the bottom of the recess to which the pulling mechanism is fixed is a motor, and one end of the pulling rope is wound on a rotating shaft of the motor; the side of the hemostatic pressing sheet facing the recess is provided with a fixing point at the other end of the pull rope.
3. The arterio-occlusive hemostatic device according to claim 1, wherein the upper and lower compacts are each in a semi-elliptical shape and are overall in an elliptical shape after clamping; the concave hole extends along the minor axis of the ellipsoid on the clamping surface and penetrates to the side surface of the upper pressing block; the connecting points of the upper pressing block and the lower pressing block are positioned at two ends of the long axis of the ellipsoid.
4. The arterio-occlusive hemostatic device of claim 3, wherein the ellipsoid has a major diameter of 4cm to 7 cm.
5. The arterio-occlusive hemostatic device of claim 1, wherein the secondary pressure plate secures one end of a secondary spring toward the side of a pocket in which the other end of the secondary spring is secured.
6. The arterio-occlusive hemostatic device of claim 5, wherein the hemostatic pressure tab is hinged to an adjacent secondary pressure tab.
7. The arterial open-close hemostatic device of claim 5, wherein the hemostatic press plate, the secondary press plate and the lower press plate are provided with mutually anastomotic insections at opposite sides.
8. The artery opening and closing hemostasis device as claimed in claim 1, wherein a blood oxygen and blood pressure sensor is arranged in the lower pressing block, and a probe of the blood oxygen and blood pressure sensor penetrates out of the clamping surface of the lower pressing block.
9. The artery open-close hemostatic device according to claim 1, wherein one side of the upper and lower pressing pieces is connected by a hinge, and the other side is fixed by a buckle.
10. The artery open-close hemostatic device according to claim 1, wherein the upper and lower pressing blocks are respectively provided with grooves at opposite positions for easy tool pick-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698944.6A CN111991050A (en) | 2020-07-20 | 2020-07-20 | Artery opening and closing hemostatic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698944.6A CN111991050A (en) | 2020-07-20 | 2020-07-20 | Artery opening and closing hemostatic device |
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| Publication Number | Publication Date |
|---|---|
| CN111991050A true CN111991050A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010698944.6A Pending CN111991050A (en) | 2020-07-20 | 2020-07-20 | Artery opening and closing hemostatic device |
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| Country | Link |
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| CN (1) | CN111991050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190904A (en) * | 2021-12-08 | 2022-03-18 | 吉林大学 | Vascular anastomosis patency assessment method, photoelectric forceps and system |
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| CN201379615Y (en) * | 2009-04-09 | 2010-01-13 | 冯英强 | Novel vascular clamp for operation |
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| CN205514744U (en) * | 2016-01-20 | 2016-08-31 | 杨硕菲 | Vascular surgery uses vascular holder |
| CN205672050U (en) * | 2016-04-21 | 2016-11-09 | 李业生 | Variable force blood vessel clip |
| CN206063194U (en) * | 2016-06-16 | 2017-04-05 | 江苏伊凯医疗器械有限公司 | A kind of medical artery clamp |
| CN106901795A (en) * | 2015-05-14 | 2017-06-30 | 李志强 | A kind of haemostatic clamp used in operation |
| CN107714128A (en) * | 2017-09-26 | 2018-02-23 | 中国人民解放军总医院 | The intelligent controllable vascular occlusion device of flush type |
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2020
- 2020-07-20 CN CN202010698944.6A patent/CN111991050A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201379615Y (en) * | 2009-04-09 | 2010-01-13 | 冯英强 | Novel vascular clamp for operation |
| CN201939420U (en) * | 2011-01-20 | 2011-08-24 | 张羽 | Hemostat |
| CN106901795A (en) * | 2015-05-14 | 2017-06-30 | 李志强 | A kind of haemostatic clamp used in operation |
| CN205514744U (en) * | 2016-01-20 | 2016-08-31 | 杨硕菲 | Vascular surgery uses vascular holder |
| CN205672050U (en) * | 2016-04-21 | 2016-11-09 | 李业生 | Variable force blood vessel clip |
| CN206063194U (en) * | 2016-06-16 | 2017-04-05 | 江苏伊凯医疗器械有限公司 | A kind of medical artery clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114190904A (en) * | 2021-12-08 | 2022-03-18 | 吉林大学 | Vascular anastomosis patency assessment method, photoelectric forceps and system |
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Application publication date: 20201127 |